MODIFIED ELECTRODE FOR NO3- DETERMINATION IN SALINE WATERS BY VOLTAMMETRY METHOD: DOI: https://doi.org/10.17721/1728-2209.2019.1(56).2. Вісник: Хімія. 2019;56(1):9-14. Accessed February 14, 2026. https://chemistry.bulletin.knu.ua/article/view/8398